Research Article
A New Buckling-Restrained Brace with a Variable Cross-Section Core
Table 4
Comparison of theoretical and test results.
| Series | Specimen | ke (kN/mm) | Fy (kN) | δy (mm) | Test | Formula | Error (%) | Test | Formula | Error (%) | Test | Formula | Error (%) |
| S-I | BRB-VCC-1 | 130.2 | 131.5 | 0.10 | 35.2 | 36.1 | 2.74 | 0.29 | 0.28 | 1.82 | BRB-VCC-2 | 133.5 | 1.49 | 36.0 | 0.33 | 0.30 | 2.18 | BRB-VCC-3 | 139.4 | 5.63 | 36.6 | 1.33 | 0.28 | 4.36 |
| S-II | BRB-VCC-4 | 110.4 | 115.2 | 4.19 | 30.7 | 30.1 | 1.83 | 0.23 | 0.24 | 4.16 | BRB-VCC-5 | 115.6 | 0.29 | 31.5 | 4.48 | 0.24 | 0 | BRB-VCC-6 | 109.4 | 5.02 | 31.7 | 5.02 | 0.23 | 4.16 |
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